Subtract 10/28 from 1/15
1/15 - 10/28 is -61/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
1/15 = 1 × 28/15 × 28 = 28/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
10/28 = 10 × 15/28 × 15 = 150/420 - Subtract the two like fractions:
28/420 - 150/420 = 28 - 150/420 = -122/420 - After reducing the fraction, the answer is -61/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-10/28 1/15-20/28 1/30-10/28 1/15-10/56 3/15-10/28 1/15-30/28 1/45-10/28 1/15-10/84 5/15-10/28 1/15-50/28 1/75-10/28 7/15-10/28 1/15-70/28